#ifndef _MFloatMatrix
#define _MFloatMatrix
//-
// ==========================================================================
// Copyright (C) 1995 - 2006 Autodesk, Inc., and/or its licensors.  All
// rights reserved.
//
// The coded instructions, statements, computer programs, and/or related
// material (collectively the "Data") in these files contain unpublished
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// and by international treaties.
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// The Data may not be disclosed or distributed to third parties or be
// copied or duplicated, in whole or in part, without the prior written
// consent of Autodesk.
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// The copyright notices in the Software and this entire statement,
// including the above license grant, this restriction and the following
// disclaimer, must be included in all copies of the Software, in whole
// or in part, and all derivative works of the Software, unless such copies
// or derivative works are solely in the form of machine-executable object
// code generated by a source language processor.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.
// AUTODESK DOES NOT MAKE AND HEREBY DISCLAIMS ANY EXPRESS OR IMPLIED
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//+
//
// CLASS:    MFloatMatrix
//
// ****************************************************************************

#if defined __cplusplus

// ****************************************************************************
// INCLUDED HEADER FILES


#include <maya/MStatus.h>
#include <maya/MTypes.h>

// ****************************************************************************
// DECLARATIONS

#define MFloatMatrix_kTol	1.0e-5F

// ****************************************************************************
// CLASS DECLARATION (MFloatMatrix)

//! \ingroup OpenMaya
//! \brief A matrix math class for 4x4 matrices of floats.
/*!
This class provides access to Maya's internal matrix math library allowing
matrices to be handled easily, and in a manner compatible with internal
Maya data structures.
*/
class OPENMAYA_EXPORT MFloatMatrix
{

public:
						MFloatMatrix();
						MFloatMatrix( const MFloatMatrix & src );
						MFloatMatrix( const double m[4][4] );
						MFloatMatrix( const float m[4][4] );
						~MFloatMatrix();
 	MFloatMatrix&		operator = (const MFloatMatrix &);
	float				operator()(unsigned int row, unsigned int col ) const;
	const float* 		operator[]( unsigned int row ) const;
	MStatus				get( double dest[4][4] ) const;
	MStatus				get( float dest[4][4] ) const;
 	MFloatMatrix     	transpose() const;
 	MFloatMatrix &   	setToIdentity();
 	MFloatMatrix &   	setToProduct( const MFloatMatrix & left,
									  const MFloatMatrix & right );
 	MFloatMatrix &   	operator+=( const MFloatMatrix & right );
 	MFloatMatrix    	operator+ ( const MFloatMatrix & right ) const;
 	MFloatMatrix &   	operator-=( const MFloatMatrix & right );
 	MFloatMatrix  		operator- ( const MFloatMatrix & right ) const;
 	MFloatMatrix &   	operator*=( const MFloatMatrix & right );
 	MFloatMatrix     	operator* ( const MFloatMatrix & right ) const;
 	MFloatMatrix &   	operator*=( float );
 	MFloatMatrix     	operator* ( float ) const;
 	bool          		operator==( const MFloatMatrix & other ) const;
 	bool           		operator!=( const MFloatMatrix & other ) const;
 	MFloatMatrix     	inverse() const;
 	MFloatMatrix     	adjoint() const;
 	MFloatMatrix     	homogenize() const;
 	float       		det4x4() const;
 	float         		det3x3() const;
 	bool           		isEquivalent( const MFloatMatrix & other,
									  float tolerance = MFloatMatrix_kTol )
 									  const;

BEGIN_NO_SCRIPT_SUPPORT:

	//!	NO SCRIPT SUPPORT
	inline float& operator()(unsigned int row, unsigned int col )
	{
		return matrix[row][col];
	}

	//!	NO SCRIPT SUPPORT
	inline float* operator[]( unsigned int row )
	{
		return matrix[row];
	}

	//!	NO SCRIPT SUPPORT
 	friend OPENMAYA_EXPORT MFloatMatrix	operator* ( float,
												const MFloatMatrix & right );
	//!	NO SCRIPT SUPPORT
	friend OPENMAYA_EXPORT std::ostream& operator<< ( std::ostream& os,
												const MFloatMatrix& m );

END_NO_SCRIPT_SUPPORT:

	//! the matrix data
 	float matrix[4][4];

	static const char* className();

protected:
// No protected members

private:
};

#ifdef WANT_GCC41_FRIEND
MFloatMatrix operator* ( float, const MFloatMatrix & right );
#endif

/*!
	Index operator.
	Given row and column indices, it will return the value at
	the specified location in the matrix.

	\param[in] row index of the row to access
	\param[in] col index of the column to access

	\return
	\li the value at the specified location in the matrix.
*/
inline float MFloatMatrix::operator()(unsigned int row, unsigned int col ) const
{
	return matrix[row][col];
}

/*!
	Index operator.
	Returns an entire row of the matrix as an array of floats.

	\param[in] row index of the row to access

	\return
	\li float array containing the values of the specified row
*/
inline const float* MFloatMatrix::operator[]( unsigned int row ) const
{
	return matrix[row];
}

/*!
  \fn float& MFloatMatrix::operator()(unsigned int row, unsigned int col )

	Index operator.
	Given row and column indices, it will return the value at
	the specified location in the matrix.

	\param[in] row index of the row to access
	\param[in] col index of the column to access

	\return
	\li the value at the specified location in the matrix.
*/


/*!
\fn float* MFloatMatrix::operator[](unsigned int row)

	Index operator.
	Returns an entire row of the matrix as an array of floats.

	\param[in] row index of the row to access

	\return
	\li float array containing the values of the specified row
*/

#endif /* __cplusplus */
#endif /* _MFloatMatrix */
